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The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more

Good Hearing?
A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...more
Part F
Means of Ventilation

Llay - Predicted Energy Assessment - 01978 633 079
The office that covers this area is: Wrexham
Phone Number: 01978 633 079 Email: llay@e2consultants.co.uk
Our other services include:
Predicted Energy Assessment can also be known as:
PEA, New Build Domestic EPC, On Construction EPC, New Build On Construction EPC, New Build EPC, Domestic On Construction EPC, New Build On Construction Domestic EPC,


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